ServerFirstAuthenticator Class Reference

authenticates a server connection. More...

#include <classic_greeting_forwarder.h>

Inheritance diagram for ServerFirstAuthenticator:

Public Types
enum class	Stage {   ClientGreeting , ClientGreetingStartTls , ClientGreetingFull , TlsForwardInit ,   TlsForward , TlsConnectInit , TlsConnect , ClientGreetingAfterTls ,   InitialResponse , FinalResponse , AuthOk , AuthError ,   Error , Ok }
	stages of the handshake flow. More...
Public Types inherited from BasicProcessor
enum class	Result {   Again , RecvFromClient , SendToClient , RecvFromServer ,   RecvFromBoth , SendToServer , SendableToServer , Suspend ,   Done , Void }

Public Member Functions
	ServerFirstAuthenticator (MysqlRoutingClassicConnectionBase *conn, std::function< void(const classic_protocol::message::server::Error &)> on_error)
stdx::expected< Result, std::error_code >	process () override
void	stage (Stage stage)
Stage	stage () const
Public Member Functions inherited from Processor
	BasicProcessor (MysqlRoutingClassicConnectionBase *conn)
Public Member Functions inherited from BasicProcessor
	BasicProcessor (MysqlRoutingClassicConnectionBase *conn)
virtual	~BasicProcessor ()=default
const MysqlRoutingClassicConnectionBase *	connection () const
MysqlRoutingClassicConnectionBase *	connection ()

Private Member Functions
stdx::expected< Result, std::error_code >	client_greeting ()
stdx::expected< Result, std::error_code >	client_greeting_start_tls ()
stdx::expected< Result, std::error_code >	client_greeting_full ()
stdx::expected< Result, std::error_code >	tls_forward_init ()
stdx::expected< Result, std::error_code >	tls_forward ()
stdx::expected< Result, std::error_code >	tls_connect_init ()
stdx::expected< Result, std::error_code >	tls_connect ()
stdx::expected< Result, std::error_code >	client_greeting_after_tls ()
stdx::expected< Result, std::error_code >	initial_response ()
stdx::expected< Result, std::error_code >	final_response ()
stdx::expected< Result, std::error_code >	auth_error ()
	router<-server: auth error. More...
stdx::expected< Result, std::error_code >	auth_ok ()
	server-side: auth is ok. More...
void	client_greeting_server_adjust_caps (ClassicProtocolState *src_protocol, ClassicProtocolState *dst_protocol)

Private Attributes
size_t	client_last_recv_buf_size_ {}
size_t	client_last_send_buf_size_ {}
size_t	server_last_recv_buf_size_ {}
size_t	server_last_send_buf_size_ {}
Stage	stage_ {Stage::ClientGreeting}
std::function< void(const classic_protocol::message::server::Error &err)>	on_error_

Additional Inherited Members
Protected Member Functions inherited from ForwardingProcessor
stdx::expected< Result, std::error_code >	forward_server_to_client (bool noflush=false)
	forward the current packet from the server-side to the client-side. More...
stdx::expected< Result, std::error_code >	forward_client_to_server (bool noflush=false)
	forward the current packet from the client-side to the server-side. More...
stdx::expected< bool, std::error_code >	pool_server_connection ()
	move the server connection to the pool. More...
stdx::expected< Processor::Result, std::error_code >	socket_reconnect_start ()
	reconnect a socket. More...
stdx::expected< Processor::Result, std::error_code >	mysql_reconnect_start ()
	reconnect a mysql classic connection. More...
stdx::expected< Result, std::error_code >	recv_server_failed_and_check_client_socket (std::error_code ec)
	handle error-code of a failed receive() from the server-socket and check the status of the client socket. More...
stdx::expected< Processor::Result, std::error_code >	reconnect_send_error_msg (Channel *src_channel, ClassicProtocolState *src_protocol)
	send a Error msg based on the reconnect_error(). More...
void	reconnect_error (classic_protocol::message::server::Error err)
	set the reconnect error. More...
classic_protocol::message::server::Error	reconnect_error () const
	get the reconnect error. More...
Protected Member Functions inherited from Processor
stdx::expected< Result, std::error_code >	send_server_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	recv_server_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	send_client_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	recv_client_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	server_socket_failed (std::error_code ec)
stdx::expected< Result, std::error_code >	client_socket_failed (std::error_code ec)
stdx::expected< void, std::error_code >	discard_current_msg (Channel *src_channel, ClassicProtocolState *src_protocol)
	discard to current message. More...
void	trace (Tracer::Event e)
Tracer &	tracer ()
Static Protected Member Functions inherited from Processor
static void	log_fatal_error_code (const char *msg, std::error_code ec)
	log a message with error-code as error. More...

Detailed Description

authenticates a server connection.

Assumes the server

1. sent a server::greeting already
2. expects to receive a client::greeting

Member Enumeration Documentation

Stage

enum class ServerFirstAuthenticator::Stage

strong

stages of the handshake flow.

Enumerator
ClientGreeting
ClientGreetingStartTls
ClientGreetingFull
TlsForwardInit
TlsForward
TlsConnectInit
TlsConnect
ClientGreetingAfterTls
InitialResponse
FinalResponse
AuthOk
AuthError
Error
Ok

Constructor & Destructor Documentation

ServerFirstAuthenticator()

ServerFirstAuthenticator::ServerFirstAuthenticator ( MysqlRoutingClassicConnectionBase *  conn, std::function< void(const classic_protocol::message::server::Error &)>  on_error  )

inline

Member Function Documentation

auth_error()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::auth_error ( )

private

router<-server: auth error.

auth_ok()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::auth_ok ( )

private

server-side: auth is ok.

client_greeting()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting ( )

private

client_greeting_after_tls()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting_after_tls ( )

private

client_greeting_full()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting_full ( )

private

client_greeting_server_adjust_caps()

void ServerFirstAuthenticator::client_greeting_server_adjust_caps ( ClassicProtocolState *  src_protocol, ClassicProtocolState *  dst_protocol  )

private

client_greeting_start_tls()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::client_greeting_start_tls ( )

private

final_response()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::final_response ( )

private

initial_response()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::initial_response ( )

private

process()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::process ( )

overridevirtual

Implements BasicProcessor.

stage() [1/2]

Stage ServerFirstAuthenticator::stage ( ) const

inline

stage() [2/2]

void ServerFirstAuthenticator::stage ( Stage  stage )

inline

tls_connect()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_connect ( )

private

tls_connect_init()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_connect_init ( )

private

tls_forward()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_forward ( )

private

tls_forward_init()

stdx::expected< Processor::Result, std::error_code > ServerFirstAuthenticator::tls_forward_init ( )

private

Member Data Documentation

client_last_recv_buf_size_

size_t ServerFirstAuthenticator::client_last_recv_buf_size_ {}

private

client_last_send_buf_size_

size_t ServerFirstAuthenticator::client_last_send_buf_size_ {}

private

on_error_

std::function<void(const classic_protocol::message::server::Error &err)> ServerFirstAuthenticator::on_error_

private

server_last_recv_buf_size_

size_t ServerFirstAuthenticator::server_last_recv_buf_size_ {}

private

server_last_send_buf_size_

size_t ServerFirstAuthenticator::server_last_send_buf_size_ {}

private

stage_

Stage ServerFirstAuthenticator::stage_ {Stage::ClientGreeting}

private

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The documentation for this class was generated from the following files:

• router/src/routing/src/classic_greeting_forwarder.h
• router/src/routing/src/classic_greeting_forwarder.cc